There are at least 2 bands with the name Stu: Stu, born 1979, from Basel, Switzerland :
Stu has earned his name “Don Atari Electro” by years of crunchy beats for dance floors and low-tech music lovers worldwide. He became well-known due to his ways of tweaking the very limited sound chip of the Atari ST to a completely different level. Stu's music creation style is unique, using only a square wave and a noise generator on three channels.

Read more about Stu on Last.fm.